<template>
  <div class="loading">
    <span></span>
    <span></span>
    <span></span>
    <span></span>
    <span></span>
  </div>
</template>


<style scoped>
.loading {
  height: 40px;
  margin: 100px auto;
  display: flex;
  justify-content: center;
}
.loading span {
  width: 8px;
  height: 100%;
  border-radius: 4px;
  background-color: lightgreen;
  animation: load 1s ease infinite;
  margin: 0 2px;
  display: inline-block;
}
.loading span:nth-child(2) {
  animation-delay: 0.2s;
}
.loading span:nth-child(3) {
  animation-delay: 0.4s;
}
.loading span:nth-child(4) {
  animation-delay: 0.6s;
}
.loading span:nth-child(5) {
  animation-delay: 0.8s;
}
@keyframes load {
  0%,
  100% {
    transform: scaleY(1.5);
    background: lightgreen;
  }
  50% {
    transform: scaleY(1);
    background-color: lightblue;
  }
}
</style>